66971745

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{21569}}^1$

素因数の和:21606

約数の個数: 32

約数和(自身を含む): 124243200

約数和(自身を除く): 57271455

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 115, 135, 207, 345, 621, 1035, 3105, 21569, 64707, 107845, 194121, 323535, 496087, 582363, 970605, 1488261, 2480435, 2911815, 4464783, 7441305, 13394349, 22323915, 66971745]

約数ペア:

[(1, 66971745), (3, 22323915), (5, 13394349), (9, 7441305), (15, 4464783), (23, 2911815), (27, 2480435), (45, 1488261), (69, 970605), (115, 582363), (135, 496087), (207, 323535), (345, 194121), (621, 107845), (1035, 64707), (3105, 21569)]